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.\" $NetBSD: prop_dictionary_util.3,v 1.8 2011/10/17 09:24:54 wiz Exp $
.\"
.\" Copyright (c) 2006 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jason R. Thorpe.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd August 7, 2011
.Dt PROP_DICTIONARY_UTIL 3
.Os
.Sh NAME
.Nm prop_dictionary_util ,
.Nm prop_dictionary_get_dict ,
.Nm prop_dictionary_get_bool ,
.Nm prop_dictionary_set_bool ,
.Nm prop_dictionary_get_int8 ,
.Nm prop_dictionary_get_uint8 ,
.Nm prop_dictionary_set_int8 ,
.Nm prop_dictionary_set_uint8 ,
.Nm prop_dictionary_get_int16 ,
.Nm prop_dictionary_get_uint16 ,
.Nm prop_dictionary_set_int16 ,
.Nm prop_dictionary_set_uint16 ,
.Nm prop_dictionary_get_int32 ,
.Nm prop_dictionary_get_uint32 ,
.Nm prop_dictionary_set_int32 ,
.Nm prop_dictionary_set_uint32 ,
.Nm prop_dictionary_get_int64 ,
.Nm prop_dictionary_get_uint64 ,
.Nm prop_dictionary_set_int64 ,
.Nm prop_dictionary_set_uint64 ,
.Nm prop_dictionary_get_cstring ,
.Nm prop_dictionary_set_cstring ,
.Nm prop_dictionary_get_cstring_nocopy ,
.Nm prop_dictionary_set_cstring_nocopy ,
.Nm prop_dictionary_set_and_rel
.Nd dictionary property collection object utility functions
.Sh LIBRARY
.Lb libprop
.Sh SYNOPSIS
.In prop/proplib.h
.\"
.Ft bool
.Fn prop_dictionary_get_dict "prop_dictionary_t dict" "const char *key" \
"prop_dictionary_t *dictp"
.Ft bool
.Fn prop_dictionary_get_bool "prop_dictionary_t dict" "const char *key" \
"bool *valp"
.Ft bool
.Fn prop_dictionary_set_bool "prop_dictionary_t dict" "const char *key" \
"bool val"
.\"
.Ft bool
.Fn prop_dictionary_get_int8 "prop_dictionary_t dict" "const char *key" \
"int8_t *valp"
.Ft bool
.Fn prop_dictionary_get_uint8 "prop_dictionary_t dict" "const char *key" \
"uint8_t *valp"
.Ft bool
.Fn prop_dictionary_set_int8 "prop_dictionary_t dict" "const char *key" \
"int8_t val"
.Ft bool
.Fn prop_dictionary_set_uint8 "prop_dictionary_t dict" "const char *key" \
"uint8_t val"
.\"
.Ft bool
.Fn prop_dictionary_get_int16 "prop_dictionary_t dict" "const char *key" \
"int16_t *valp"
.Ft bool
.Fn prop_dictionary_get_uint16 "prop_dictionary_t dict" "const char *key" \
"uint16_t *valp"
.Ft bool
.Fn prop_dictionary_set_int16 "prop_dictionary_t dict" "const char *key" \
"int16_t val"
.Ft bool
.Fn prop_dictionary_set_uint16 "prop_dictionary_t dict" "const char *key" \
"uint16_t val"
.\"
.Ft bool
.Fn prop_dictionary_get_int32 "prop_dictionary_t dict" "const char *key" \
"int32_t *valp"
.Ft bool
.Fn prop_dictionary_get_uint32 "prop_dictionary_t dict" "const char *key" \
"uint32_t *valp"
.Ft bool
.Fn prop_dictionary_set_int32 "prop_dictionary_t dict" "const char *key" \
"int32_t val"
.Ft bool
.Fn prop_dictionary_set_uint32 "prop_dictionary_t dict" "const char *key" \
"uint32_t val"
.\"
.Ft bool
.Fn prop_dictionary_get_int64 "prop_dictionary_t dict" "const char *key" \
"int64_t *valp"
.Ft bool
.Fn prop_dictionary_get_uint64 "prop_dictionary_t dict" "const char *key" \
"uint64_t *valp"
.Ft bool
.Fn prop_dictionary_set_int64 "prop_dictionary_t dict" "const char *key" \
"int64_t val"
.Ft bool
.Fn prop_dictionary_set_uint64 "prop_dictionary_t dict" "const char *key" \
"uint64_t val"
.\"
.Ft bool
.Fn prop_dictionary_get_cstring "prop_dictionary_t dict" "const char *key" \
"char **strp"
.Ft bool
.Fn prop_dictionary_set_cstring "prop_dictionary_t dict" "const char *key" \
"const char *str"
.\"
.Ft bool
.Fn prop_dictionary_get_cstring_nocopy "prop_dictionary_t dict" \
"const char *key" "const char **strp"
.Ft bool
.Fn prop_dictionary_set_cstring_nocopy "prop_dictionary_t dict" \
"const char *key" "const char *strp"
.Ft bool
.Fn prop_dictionary_set_and_rel "prop_dictionary_t dict" \
"const char *key" "prop_object_t obj"
.Sh DESCRIPTION
The
.Nm prop_dictionary_util
family of functions are provided to make getting and setting values in
dictionaries more convenient in some applications.
.Pp
The getters check the type of the returned object and, in some cases, also
ensure that the returned value is within the range implied by the getter's
value type.
.Pp
The setters handle object creation and release for the caller.
.Pp
The
.Fn prop_dictionary_get_cstring
function returns dynamically allocated memory.
See
.Xr prop_string 3
for more information.
.Pp
The
.Fn prop_dictionary_get_cstring_nocopy
and
.Fn prop_dictionary_set_cstring_nocopy
functions do not copy the string that is set or returned.
See
.Xr prop_string 3
for more information.
.Pp
The
.Fn prop_dictionary_set_and_rel
function adds the object to the dictionary and releases it.
The object is also released on failure.
.Sh RETURN VALUES
The
.Nm prop_dictionary_util
getter functions return
.Dv true
if the object exists in the dictionary and the value is in-range, or
.Dv false
otherwise.
.Pp
The
.Nm prop_dictionary_util
setter functions return
.Dv true
if creating the object and storing it in the dictionary is successful, or
.Dv false
otherwise.
.Sh SEE ALSO
.Xr prop_bool 3 ,
.Xr prop_dictionary 3 ,
.Xr prop_number 3 ,
.Xr proplib 3
.Sh HISTORY
The
.Nm proplib
property container object library first appeared in
.Nx 4.0 .
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